Leaderboards 🏅 (#30)

* Simple leaderboards

* Filter out SG from traders. Center leaderboard. Use Nextjs Image.

* Add leaderboards menu option

* Put leaderboards side-by-side on large screens

* Add medal emoji

web/components/profile-menu.tsx

@@ -51,6 +51,10 @@ function getNavigationOptions(user: User, options: { mobile: boolean }) {
       name: 'Your markets',
       href: `/${user.username}`,
     },
+    {
+      name: 'Leaderboards',
+      href: '/leaderboards',
+    },
     {
       name: 'Discord',
       href: 'https://discord.gg/eHQBNBqXuh',

web/lib/firebase/users.ts

@@ -10,6 +10,7 @@ import {
   where,
   limit,
   getDocs,
+  orderBy,
 } from 'firebase/firestore'
 import { getAuth } from 'firebase/auth'
 import { ref, getStorage, uploadBytes, getDownloadURL } from 'firebase/storage'
@@ -20,7 +21,7 @@ import {
 } from 'firebase/auth'
 
 import { User } from '../../../common/user'
-import { listenForValues } from './utils'
+import { getValues, listenForValues } from './utils'
 export type { User }
 
 export const STARTING_BALANCE = 1000
@@ -127,3 +128,24 @@ export function listenForAllUsers(setUsers: (users: User[]) => void) {
   const q = query(userCollection)
   listenForValues(q, setUsers)
 }
+
+const topTradersQuery = query(
+  collection(db, 'users'),
+  orderBy('totalPnLCached', 'desc'),
+  limit(21)
+)
+
+export async function getTopTraders() {
+  const users = await getValues<User>(topTradersQuery)
+  return users.filter((user) => user.username !== 'SG').slice(0, 20)
+}
+
+const topCreatorsQuery = query(
+  collection(db, 'users'),
+  orderBy('creatorVolumeCached', 'desc'),
+  limit(20)
+)
+
+export function getTopCreators() {
+  return getValues<User>(topCreatorsQuery)
+}

web/pages/leaderboards.tsx

@@ -0,0 +1,112 @@
+import _ from 'lodash'
+import Image from 'next/image'
+import { Col } from '../components/layout/col'
+import { Row } from '../components/layout/row'
+import { Page } from '../components/page'
+import { SiteLink } from '../components/site-link'
+import { Title } from '../components/title'
+import { getTopCreators, getTopTraders, User } from '../lib/firebase/users'
+import { formatMoney } from '../lib/util/format'
+
+export async function getStaticProps() {
+  const [topTraders, topCreators] = await Promise.all([
+    getTopTraders().catch((_) => {}),
+    getTopCreators().catch((_) => {}),
+  ])
+
+  return {
+    props: {
+      topTraders,
+      topCreators,
+    },
+
+    revalidate: 60, // regenerate after a minute
+  }
+}
+
+export default function Leaderboards(props: {
+  topTraders: User[]
+  topCreators: User[]
+}) {
+  const { topTraders, topCreators } = props
+
+  return (
+    <Page>
+      <Col className="items-center lg:flex-row gap-10">
+        <Leaderboard
+          title="🏅 Top traders"
+          users={topTraders}
+          columns={[
+            {
+              header: 'Total profit',
+              renderCell: (user) => formatMoney(user.totalPnLCached),
+            },
+          ]}
+        />
+        <Leaderboard
+          title="🏅 Top creators"
+          users={topCreators}
+          columns={[
+            {
+              header: 'Market volume',
+              renderCell: (user) => formatMoney(user.creatorVolumeCached),
+            },
+          ]}
+        />
+      </Col>
+    </Page>
+  )
+}
+
+function Leaderboard(props: {
+  title: string
+  users: User[]
+  columns: {
+    header: string
+    renderCell: (user: User) => any
+  }[]
+}) {
+  const { title, users, columns } = props
+  return (
+    <div className="max-w-xl w-full px-1">
+      <Title text={title} />
+      <div className="overflow-x-auto">
+        <table className="table table-zebra table-compact text-gray-500 w-full">
+          <thead>
+            <tr className="p-2">
+              <th>#</th>
+              <th>Name</th>
+              {columns.map((column) => (
+                <th key={column.header}>{column.header}</th>
+              ))}
+            </tr>
+          </thead>
+          <tbody>
+            {users.map((user, index) => (
+              <tr key={user.id}>
+                <td>{index + 1}</td>
+                <td>
+                  <SiteLink className="relative" href={`/${user.username}`}>
+                    <Row className="items-center gap-4">
+                      <Image
+                        className="rounded-full bg-gray-400 flex-shrink-0 ring-8 ring-gray-50"
+                        src={user.avatarUrl}
+                        alt=""
+                        width={32}
+                        height={32}
+                      />
+                      <div>{user.name}</div>
+                    </Row>
+                  </SiteLink>
+                </td>
+                {columns.map((column) => (
+                  <td key={column.header}>{column.renderCell(user)}</td>
+                ))}
+              </tr>
+            ))}
+          </tbody>
+        </table>
+      </div>
+    </div>
+  )
+}